Auth bypass in Prosody Mod Auth Ldap
CVE-2020-8086
The mod_auth_ldap and mod_auth_ldap2 Community Modules through 2020-01-27 for Prosody incompletely verify the XMPP address passed to the is_admin() function. This grants remote entities admin-only functionality if their username matches the username of a local admin.
Vulnerability class: Broken Access Control
EPSS: 0.016 (72.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Prosody Mod_auth_ldap
- Prosody Mod_auth_ldap2
- Debian Debian_linux — versions 9.0, 10.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8086?
- CVE-2020-8086 is a critical-severity vulnerability in Prosody Mod Auth Ldap, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2020-01-28.
- How severe is CVE-2020-8086?
- Critical severity. CVSS v3 base score is 9.8 out of 10.